1 files changed, 70 insertions, 0 deletions
diff --git a/converter/pbm/pbmtowbmp.c b/converter/pbm/pbmtowbmp.c
new file mode 100644
index 00000000..2907fd68
--- /dev/null
+++ b/converter/pbm/pbmtowbmp.c
@@ -0,0 +1,70 @@
+/* pbmtowbmp.c - convert a portable bitmap to a Wireless Bitmap file
+
+   This is derived for Netpbm from the pbmwbmp package from 
+   <http://www.looplab.com/wap/tools> on 2000.06.06.
+   
+   The specifications for the wbmp format are part of the Wireless 
+   Application Environment specification at
+   <http://www.wapforum.org/what/technical.htm>.
+
+** Copyright (C) 1999 Terje Sannum <terje@looplab.com>.
+**
+** Permission to use, copy, modify, and distribute this software and its
+** documentation for any purpose and without fee is hereby granted, provided
+** that the above copyright notice appear in all copies and that both that
+** copyright notice and this permission notice appear in supporting
+** documentation.  This software is provided "as is" without express or
+** implied warranty.
+*/
+
+#include "pbm.h"
+
+static void 
+outputint(int i) {
+  int c = 1;
+  while(i & 0x7f << 7*c) c++;
+  while(c > 1) putchar(0x80 | ((i >> 7*--c) & 0xff));
+  putchar(i & 0x7f);
+}
+
+
+
+int 
+main(int argc, char *argv[]) {
+  FILE *f;
+  bit **image;
+  int rows, cols, row, col;
+  int c, p;
+
+  pbm_init(&argc, argv);
+  if(argc > 2) {
+    fprintf(stderr, "Copyright (C) 1999 Terje Sannum <terje@looplab.com>\n");
+    pm_usage("[pbmfile]");
+  }
+
+  f = argc == 2 ? pm_openr(argv[1]) : stdin;
+  image = pbm_readpbm(f, &cols, &rows);
+  pm_close(f);
+
+  /* Header */
+  putchar(0); /* Type 0: B/W, no compression */
+  putchar(0); /* FixHeaderField */
+  /* Geometry */
+  outputint(cols);
+  outputint(rows);
+  /* Image data */
+  for(row = 0; row < rows; row++) {
+    p = c = 0;
+    for(col = 0; col < cols; col++) {
+      if(image[row][col] == PBM_WHITE) c = c | (1 << (7-p));
+      if(++p == 8) {
+	putchar(c);
+	p = c = 0;
+      }
+    }
+    if(p) putchar(c);
+  }
+  
+  return 0;
+}
+